| Acronym | Meaning |
| EIA | Energy Information Administration (DOE) |
| AMTEC | Alkali Metal Thermoelectric Converter |
| TAI | Thermal Alteration Index |
| SEVB | Semiempirical Valence Bond |
| GIXRD | Grazing Incidence X-ray Diffraction |
| BEBO | Bond Energy Bond Order Method |
| ISCST | Industrial Source Complex Short Term Model (US EPA) |
| CCR | Close-coupling R-matrix |
| GEXRS | Grazing-exit X-ray Spectrometry |
| UTI | Urinary Trypsin Inhibitor |